78results about How to "Mix tightly" patented technology

The invention discloses a preparation method of a lithium ion battery anode composite material and a special device thereof. The preparation method is characterized by comprising a first scheme, a second scheme and a third scheme, in the first scheme, a plasma-enhanced chemical vapor deposition method is used for synthesizing sp2-hybridized and carbon nano-material-coated lithium ion battery anode material LiFePO4 growing in-situ; in the second scheme, a direct plasma polymerization method is used for preparing LiFePO4/conductive macromolecular composite material; and in the third scheme, a plasma in-situ polymerization method is used for preparing LiFePO4/conductive macromolecular composite material. The special device for preparing the anode composite material comprises a plasma high-temperature quartz tube-type furnace, one end of the plasma high-temperature quartz tube-type furnace is provided with a reducing gas inlet pipe and a reaction gas inlet pipe and the other end of the same is provided with a gas suction pipe, and an inductance coupling plasma coil with two ends connected with radio frequency power sources is wound on the outer surface of the furnace. Tthe preparation method has the advantages of effectively improving the electric conductivity of the lithium ion battery and being simple in technological process, and the special device is simple in structure and convenient in operation.

The invention discloses a waterproof and suncare straw wood composite high density fiberboard. The waterproof and suncare straw wood composite high density fiberboard is characterized by being prepared by the following raw materials in parts by weight: 42-45 of crop straws, a proper amount of sodium hydroxide with a concentration of 2%, 2-2.5 of silane coupling agents kh450, 66-70 of ethanol with a concentration of 95%, 30-32 of wood leftovers, 3-4 of methyl sodium silicate, 3-5 of nanometer titanium dioxide, 7-8 of waterborne polyurethane adhesive, 1.5-2 of microcrystalline wax, 0.03-0.05 of ammonium persulfate, 2-3 of methacrylate, and a proper amount of water. The methyl sodium silicate is added when fibers are treated in the formula, the methacrylate, the microcrystalline wax and the like are added when the fibers are glued, and the raw materials coact to greatly enhance the product water resistance and to prevent the corrosion caused by water seepage; and meanwhile, the suncare nanometer titanium dioxide is added, so that the produced product can replace a plastic board or a wood board, or even can be used outdoors.

The invention relates to lithium ion battery pole piece slurry, a pole piece and a preparation method and an application thereof. The pole piece slurry comprises an electrode active material, a conductive agent, a binder, a solvent and a flexibilizer, wherein the flexibilizer is alcohol with the carbon number of 2-5, and the volume percentage of the flexibilizer is 0.1-15% if it is assumed that the sum of the contents of the solvent and the flexibilizer is 100%. When the pole piece is prepared, the pole piece is prepared by mixing the flexibilizer into the pole piece slurry or coating the surface of the prepared pole piece with the flexibilizer so as to obtain a pole piece with low hardness and brittleness. Meanwhile, the invention further provides a method for reducing the fracture of thepole piece, which is realized by adding the flexibilizer into the pole piece. The probability of breakage of the positive pole piece provided by the invention in the processing and using processes isgreatly reduced, the processing yield and the use safety of the lithium ion battery are improved, the problem that powder falls off in the charging and discharging processes of the negative electrodeis overcome, and the service life of the lithium ion battery is prolonged.

The invention discloses a preparation method of an immobilized microbial agent for kitchen waste treatment and an application thereof. The method comprises the following steps: respectively performing high-density liquid fermentation on Kluyer pichia yeast and geotrichum silvicola, and mixing the bacterial liquids in proportion; after concentrating a composite bacterial solution, adding the composite bacterial solution to a modified carrier, mixing the materials, adding a crosslinking agent during a mixing process, and then performing constant temperature aeration culture; and after constant temperature aeration, performing low temperature drying to obtain the immobilized microbial agent. The method of the invention not only significantly increases the amount of carrier immobilized thalline, but also makes the binding between the carrier and the thalline tight, prevents the living bacteria from being lost in the preparation process and the preservation, improves the live bacteria of the unit mass of the microbial agent, and reduces the amount of the microbial agent; The prepared microbial agent has strong capability for decomposing the kitchen waste, the odor generated in the process of degrading the kitchen waste can be eliminated, the amount of the thalline immobilized in the carrier is large, the binding between the carrier and the thalline is closer, and the biomass of the living bacteria is large.

The invention discloses a waterproof and moisture-proof enhanced type high-density fiberboard. The waterproof and moisture-proof enhanced type high-density fiberboard is characterized by being prepared from, by weight, 42-45 parts of crop straw, 30-32 parts of wood scraps, a proper amount of sodium hydroxide with the concentration of 2%, 2-2.5 parts of silane coupling agents kh450, 66-70 parts of ethyl alcohol with the concentration of 95%, 7-8 parts of waterborne polyurethane adhesives, 1.5-2 parts of emulsified paraffin, a proper amount of water, 0.5-0.6 part of OP-10, 0.015-0.02 part of potassium peroxydisulfate and 3-4 parts of polypropylene fibers. A large number of crop straw and wood scraps replace wood, so that a large number of forest resources are saved and the production cost is reduced. The fibers are processed through the polypropylene fibers and the like, in the hot pressing process, the polypropylene fibers are molten at high temperature and soaked among the fibers, the waterproofness of products is enhanced by cooperation of the polypropylene fibers, the waterborne polyurethane adhesives and other components, the tenacity is good and particles are fine and smooth.

The invention discloses a rough-wrought charing bagasse fertilizer and a preparation method thereof. The rough-wrought charing bagasse fertilizer comprises the following raw materials by weight part: 30-50 parts of bagasse, 8-15 parts of wheat straw, 5-10 parts of dolomite powder, 1-2 parts of sodium bicarbonate, 20-30 parts of peat soil, 10-15 parts of decay leaf, 10-15 parts of 1mol/L hydrochloric acid solution, 15-20 parts of potassium nitrate, 14-18 parts of ammonium bicarbonate, 15-18 parts of calcium-magnesia phosphate fertilizer, 7-9 parts of calcium ammonium nitrate, 10-14 parts of urea, 4-5 parts of cross-linking agent and a proper amount of water. The rough-wrought charing bagasse fertilizer has the advantages of treatment of charing particle and selection of a coating agent, the charing particles select bagasse with high cellulose amount as a material, high temperature sealing and charing are carried out, dilute hydrochloric acid is used for immersing and washing to obtain a porous active carbon structure, dilute hydrochloric acid and a pulvis chemical fertilizer are tightly mixed, slow release effect is good, the coating agent is prepared by stone flour can provide a structural framework, the added sodium bicarbonate can be decomposed after being heated to leave the micropores, and water absorption and cracking are convenient.

The invention relates to a preparation method of a graphene modified metal composite material. The preparation method comprises the following steps that metal powder and a graphene nanosheet dispersion liquid are provided, the graphene nanosheet dispersion liquid comprises graphene nanosheets, and the mass ratio of the metal powder to the graphene nanosheets is (100-1000): 1; the metal powder is placed in a cavity of a pressure casting machine, the graphene nanosheet dispersion liquid is placed in a pressure chamber of the pressure casting machine, the graphene nanosheet dispersion liquid enters the cavity of the pressure casting machine to be mixed with the metal powder under the action of injection, the mixture is dried, and graphene metal mixed powder is obtained, the injection specific pressure of the pressure casting machine ranges from 10 MPa to 40 MPa, the injection speed ranges from 0.5 m/s to 4 m/s, and the pressure maintaining time ranges from 20 s to 240 s; and the graphene metal mixed powder is formed and sintered. The invention further relates to the graphene modified metal composite material and a workpiece.

The invention provides graphene non-woven fabric and a manufacturing method thereof. The method comprises the steps of uniformly mixing non-woven fabric raw materials with graphene master batches, afterwards, putting the mixture under a vacuum condition for extrusion fusion, and then preparing the graphene non-woven fabric through the sequential steps of yarn jetting, drafting, lapping, hot rolling and the like. In the preparing process of the graphene master batches, graphene is endowed with negative charges through an electrostatic sprayer, so that graphene is more closely combined with thenon-woven fabric raw materials. Water and clove oil are also added in the preparing process of the graphene master batches, so that the internal mixing effect is good, and the performance of the graphene master batches is improved. In the graphene non-woven fabric, the graphene master batches are uniformly distributed in the non-woven fabric raw materials, so that the prepared graphene non-woven fabric is uniform in performance and high in strength and has performance of good adsorbability, infrared ray absorption, bacteria resistance and inhibition and the like.

The invention discloses low-melting-point metal-CNTS/Cu water-based conductive composite slurry. The low-melting-point metal-CNTS/Cu water-based conductive composite slurry comprises the following components in percentage by mass: 50-80% of a mixed conductive phase, 5-15% of tin powder or bismuth powder, 15-30% of a water-based carrier, 0.1-0.5% of an additive P and 0.1-4.5% of an additive Ga, wherein the total amount is 100%. The present invention further discloses a preparation method of low-melting-point metal-CNTS/Cu water-based conductive composite slurry. In the product and the preparation method thereof, the mixed conductive phase is prepared by employing a chemical plating method, so that the combination of the copper and a carbon nano tube is more compact and uniform; the low-melting-point metal tin or bismuth is used as a new bonding phase, so that the sintering temperature can be reduced, and the comprehensive performance of the slurry is improved; and the water-based carrier is environment-friendly, so that the cost is obviously reduced.

The invention mainly relates to the technical field of joint mixture processing,and discloses an antibacterial and environment-protection building joint mixture. The joint mixture is prepared from,a water-based acrylic resin,natural latex,a starch glue,waste porcelain powder,nano eggshell powder,nail sodium silicate,a polycarboxylate water reducer,zinc sulfate,nano titanium dioxide and tourmalineanion powder; the antibacterial and environment-protection building joint mixture is green and environment-protection,does not contain toxic reagents,does not emit irritating odor,and can effectivelyinhibit bacteria and mildew,the inhibition rate reaches 93.7%,and the aesthetics and durability of a building are maintained; the water-based acrylic resin and the natural latex are mixed and slowly stirred to avoid bubble generation,the flow state of the joint mixture is maintained,convenience is provided for extrusion and seam filling during use,the mixture is tightly combined with a seam,the addition of the zinc sulfate can increase the viscosity of the joint mixture,the joint mixture is made in close contact with tiles,marbles and wood products,the antibacterial activity of the joint mixture is improved,and mildew and discoloration of the joint mixture are avoided.

The invention discloses a kind of colored panel and the manufacturing method. The cutting fiber surface is sprayed with a mixture of coloring matter and resin, and then heated and pressed with them to make the fiber layer mould with the prescheduled shape. The mixture is first sprayed onto the mould cave of the mould, then fiber is put on the mixture layer; or the mixture of colored matter and resin is sprayed one surface of the fiber layer, then it is put into the mould cave, after heating and pressure, the fiber layer can be molded to a panel and the panel can display color and the fiber stereo texture.

The invention relates to the technical field of building materials, and specifically relates to a stone plastic board, which comprises a substrate layer, a color film layer, and a UV layer from bottomto top. The substrate layer is prepared from following raw materials in percentage by weight: 52.5 to 72.5% of calcium powder, 20 to 30% of PVC powder, 2.5 to 8.5% of a lubricant, and 5 to 9% of a reinforcing agent. The color film layer is prepared from PVC. The stone plastic board is nontoxic and environmentally friendly, and is harmless to the environment and humans. The substrate layer mainlymade of PVC powder and the color film layer made of PVC can be better combined.

In order to provide an applicator for two or more components, in particular for an adjustable metering dispenser in which the components (A, B) are only mixed at an applicator surface (2) with outlet apertures (3), the outlet apertures (3; 3a, 3b) for one of the components (A) and for the other component (B) extend separately up to the applicator surface (2) and are brought together to a point at the applicator surface (2).

The present application relates to a spray tower (1) arranged to be vertically positioned and having an inner space (100), wherein the spray tower comprises, a central exhaust gas pipe (7) arranged for introducing exhaust gas into the inner space of the spray tower through an exhaust gas inlet (2) positioned at a proximal end (7a) of the central exhaust gas pipe, the central exhaust gas pipe beingpositioned at a bottom end (1a) of the spray tower in installed position, the central exhaust gas pipe being in fluid connection with the inner space of the spray tower through an exhaust gas inlet (2) at a top end of the central exhaust gas pipe, and at least one exhaust gas outlet (3 arranged for withdrawing purified exhaust gas from the inner space of the spray tower, the exhaust gas outlet being positioned at a top end (1b) of the spray tower in installed position, the exhaust gas outlet being in fluid connection with the inner space of the spray tower, wherein from the exhaust gas inletto the exhaust gas outlet, a general exhaust gas flow is passing through the inner space of the spray tower, one or more spray devices (41, 42) configured to provide a stream of scrubber liquid withinthe inner space of the spray tower counter current to the general exhaust gas flow, and at least two engine exhaust gas pipes (6) being in fluid connection with the distal end (7b) of the central exhaust gas pipe. Furthermore, a method for reducing the amount of SOx in exhaust gas is described.

The invention discloses a novel aqueous damping coating material for automotive interiors, a preparation method and equipment thereof, wherein the novel aqueous damping coating material is prepared from the following components in parts by weight: 10-20 parts of a graphene slurry, 1-3 parts of a defoaming agent, 0.5-1.5 parts of a thickening agent, 50-60 parts of modified glass powder, 3-5 parts of a curing agent, 30-40 parts of an environment-friendly flame retardant, 60-80 parts of a filler and 2-6 parts of a film forming aid. According to the invention, by improving the matching of the components, the preparation method and the equipment of the material, the problems of low comprehensive performance, complex preparation process, many devices and high comprehensive manufacturing cost ofthe material are solved, the comprehensive performance of the material is improved, the preparation process is simplified, the number of the equipment is reduced, and the comprehensive manufacturing cost is reduced; after the graphene and the modified glass powder in the material are mixed, a stable damping structure is formed in the coating; and the bubbles generated in the mixing process of thegraphene and the modified glass powder are removed through the defoaming agent, so that the damping layer is mixed tightly, the gaps are filled, the strength of the damping layer is improved, the preparation process is simplified, and the number of equipment is reduced.

The invention provides a rubber material, a cooling rubber pipe prepared from the rubber material and an automobile engine comprising the cooling rubber pipe, which relate to the technical field of automobile fuel systems. The rubber material is mainly prepared from ethylene propylene diene monomer, ethylene propylene diene monomer, mineral powder and a coupling agent according to specific component contents. The ethylene propylene diene monomer and the ethylene propylene diene monomer which have good heat resistance and aging resistance are creatively matched and used according to a specificratio, so that the prepared rubber material has good high-temperature resistance and chapping resistance; meanwhile, the mineral substance powder is added, so that the mechanical strength and the extrusion fluidity of the rubber material are improved; in addition, the invention also comprises a coupling agent, and the coupling agent can connect the ethylene propylene diene monomer with the mineralsubstance powder in a chemical manner, so that the resistance effect is better achieved. Therefore, the performance of the existing rubber material is optimized by selecting the raw materials of thecomponents and compounding the contents of the components.

The invention discloses a polytetrafluoroethylene flexible copper-clad plate containing glass fabric and a preparation method of the polytetrafluoroethylene flexible copper-clad plate. The structure of the polytetrafluoroethylene flexible copper-clad plate containing the glass fabric sequentially comprises an upper copper foil layer, an upper fusible polytetrafluoroethylene layer, an upper mixed layer, a glass fabric layer, a lower mixed layer, a lower fusible polytetrafluoroethylene layer and a lower copper foil layer from top to bottom, wherein the upper mixing layer and the lower mixing layer are prepared by blending polytetrafluoroethylene and fusible polytetrafluoroethylene; and the glass fabric has a grid structure. The mechanical property of the prepared polytetrafluoroethylene flexible copper-clad plate containing the glass fabric is effectively improved, the stability is relatively good, meanwhile, relatively high electrical property is also ensured, and the application prospect is good.

The invention discloses a PCB secondary circuit gold plating process, which comprises the following steps of: grinding and cleaning a PCB through a horizontal line to remove an oxide layer on the surface of the PCB, printing a layer of photosensitive solder resist ink on the surface of the PCB in a silk screen skip printing manner, transferring the PCB into a 65 DEG C oven, baking the photosensitive solder resist ink for 2 hours, and feeding the PCB into an exposure machine for exposing for 20 seconds; then transferring into a sodium carbonate solution with the mass fraction of 1% for cleaning, removing the unexposed photosensitive solder resist ink to expose a gold plating area pattern, and then feeding into a oven at 135-140 DEG C for drying the PCB for 30 minutes. According to the invention, the conductive windows are formed during two times of gold plating, the positions of the conductive windows can be adjusted according to actual requirements, the reject ratio of gold staining ofthe conductive windows is reduced by forming the conductive windows, the gold salt cost is saved, and the purpose of thickening a gold layer can be achieved through two times of gold plating.

The invention relates to the field of construction and building materials, and particularly discloses quick-setting liquid soil and a preparation method thereof. The liquid soil is prepared from the following raw materials in parts by weight: soil, cement, fly ash, a water reducing agent, water glass, water, quick lime, zeolite powder and triethanolamine, and the finished liquid soil is obtained by uniformly mixing the raw materials; in addition, the preparation method has the advantage of improving the strength of the liquid soil.

The invention discloses a preparation method of high-viscosity material particles of extracts. The preparation method mainly comprises following steps: step 1, preparation of solid slurry; step 2, stirring and mixing for a high-viscosity main material; step 3, addition of the solid slurry to the high-viscosity main material and granulation. Specifically, firstly, a base material is wetted by a wetting agent, the base material is a non-viscous material or a material with a little viscosity, the solid slurry is formed and then added to the high-viscosity main material or the high-viscosity mainmaterial is added to the solid slurry, and with the adoption of a high-speed wet mixed granulation mode, solids and liquids after dispersive mixing are contacted to be sticky and are bonded to form particles; the formed particles are uniform in shape, high in granulating ratio, tightly combined, high in production efficiency and high in capacity; tablets prepared from the particles are high in hardness, fast to disintegrate and remarkable in effect.

The invention provides a composite rubber composition for an automobile tire, and relates to the technical field of automobile tire material. The composite rubber composition for the automobile tire is prepared from the following components in parts by weight: 40 to 55 parts of natural rubber, 50 to 70 parts of synthetic rubber, 10 to 50 parts of styrene thermoplastic elastomer, 5 to 20 parts of tackifier, 50 to 60 parts of carbon black, and 4 to 8 parts of vulcanizer. The composite rubber composition has the advantages that the cost is low, the environment-friendly effect is realized, and theabrasion-resistant and explosion-resistant properties are better. A preparation method of the composite rubber composition comprises the following steps of mixing and blending the natural rubber, thestyrene thermoplastic elastomer and the synthetic rubber, sequentially adding the tackifier and the carbon black, mixing, heating and forming; finally, adding the vulcanizer into the formed rubber atthe temperature of 100 to 200 DEG C to vulcanize. The preparation method has the advantages that the raw materials are fully used, and the operability is stronger.

The invention provides a mixer and an anchoring device. The mixer comprises a shell and a mixing part. An inlet used for being connected with an anchor rod is formed in one end of the shell, the other end of the shell is used for being connected with an anchoring head, and an outlet is formed in the position, close to the anchoring head, of the shell. The mixing part comprises a first division flow part and a second division flow part which are arranged on the inner surface of the shell in a protruding mode. A gap is arranged between the first division flow part and the second division flow part in the axial direction of the shell, and a joint of the first division flow part and the shell and a joint of the second division flow part and the shell are separately disposed on two sides of the middle shaft surface of the shell. According to the mixer and the anchoring device, anchoring agents can be sufficiently mixed through design of the mixing part, so that the anchoring agents tightly combine the anchoring device and an anchored body, and invalidation of anchoring rod and supporting is prevented.

The invention discloses a nitrogen and sulfur co-doped biochar/SnO2/SnS/S composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: performing heat treatment on biomass with a tubular structure to obtain biochar; carrying out solvothermal reaction on the biochar by taking mixed acid as a solvent; adding acid liquor into the obtained product, and carrying out solvothermal reaction to obtain biological carbon rich in oxygen-containing functional groups; mixing the nitrogen-sulfur co-doped biochar with thiourea, and carrying out heat treatment in a mixed atmosphere of NH3 and H2S to obtain nitrogen-sulfur co-doped biochar; mixing with an inorganic tin source, and carrying out hydrothermal reaction to obtain a nitrogen and sulfur co-doped biochar/SnO2 composite material; and mixing with thiourea, and carrying out heat treatment to obtain a final product. According to the invention, the rapid adsorption and conversion capability on polysulfide is realized, the capacity of the lithium-sulfur battery is improved, meanwhile, the stability of the composite structure in the circulation process is ensured, and the capacity loss caused by structural damage is reduced.

The invention relates to the technical field of preparation of building materials and in particular relates to a method for preparing two-component vitrified brick backing glue. The method disclosed by the invention comprises the following steps: treating sugarcane serving as a raw material to obtain pre-dispersed suspension, mixing the pre-dispersed suspension, cotton stalk bark fibers, ammoniumpersulfate, N,N-methylenebis acrylamide and the like, reacting, extracting with acetone, drying to obtain a component A, performing graft copolymerization on acrylic acid and sugarcane fibers, forminga three-dimensional network structure, and producing a water-absorbent resin, wherein the cotton stalk bark fibers easily crimp when meeting water, the water is difficultly squeezed out, the roughness of the vitrified brick can be improved by the cotton stalk bark fibers, and the bricks are conveniently adhered; mixing a cellulose ether and a castor oil polyurethane prepolymer, dispersing to obtain premixed emulsion, adding quick lime, carboxylic butadiene-styrene latex, fly ash and other materials into the pre-dispersed mixture, performing vacuum defoamation to obtain a component B, and performing network interpenetrating on castor oil polyurethane and methyl silicone rubber, thereby obtaining an adhesive with an IPN (Interpenetrating Polymer Network) structure. The network interpenetrating structure is compact in binding, and the application prospects are wide.

The invention discloses a manufacturing process of a high-temperature-resistant graphene heating plate. The preparation method comprises the following steps: firstly, uniformly mixing flake graphene,carbon crystal powder, an auxiliary agent and a catalyst to form a flake graphene mixture; then uniformly coating a microcrystalline glass plate with the flake graphene mixture to form a sheet-shapedgraphene layer; then putting the sheet-shaped graphene layer into a high-temperature furnace and drying; then, rising the temperature continuously for preheating; rising the temperature to 600 DEG C and performing sintering, so that the flake graphene layer is sintered on the microcrystalline glass plate to form a flake graphene sintered layer; and arranging two groups of conductive parts on the graphene sintered layer so as to be connected with a power supply. Relative to traditional techniques, the structure of the flake graphene sintered layer is more stable, and the graphene heating plateis more tightly combined with the microcrystalline glass plate and is not easy to burst and melt at high temperature, and tests prove that the heating temperature of the graphene heating plate produced by the method can reach 550-600 DEG C. Compared with the prior art, the heating temperature of the graphene heating plate is greatly increased.